low density

• 指单位体积或单位面积内的质量、浓度或数量较少的状况。常用于物理、化学、城市规划等领域。

A technical term describing a state or condition where the mass, concentration, or number of elements per unit volume or area is relatively small. Often used in physics, chemistry, and urban planning.

1. Low mass per unit volumeB2formal

   Having a small amount of mass relative to its volume; not compact or dense.

   低密度

   • Cork is a material with low density, making it float on water.
   • Low-density materials are often used for insulation.
   • The low density of the gas allowed it to rise quickly.

2. Sparse population or distributionB2formal

   A situation where people, objects, or elements are spread out over a large area with few per unit.

   低密度

   • The region has a low density of population, with few towns.
   • Low-density housing developments are common in suburban areas.
   • The forest has a low density of trees due to logging.